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G-CoCr28 Cobalt vs. A413.0 Aluminum

G-CoCr28 cobalt belongs to the cobalt alloys classification, while A413.0 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is A413.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
73
Elongation at Break, % 6.7
3.5
Fatigue Strength, MPa 130
130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 83
27
Tensile Strength: Ultimate (UTS), MPa 560
240
Tensile Strength: Yield (Proof), MPa 260
130

Thermal Properties

Latent Heat of Fusion, J/g 320
570
Maximum Temperature: Mechanical, °C 1200
170
Melting Completion (Liquidus), °C 1330
590
Melting Onset (Solidus), °C 1270
580
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 8.5
120
Thermal Expansion, µm/m-K 14
21

Otherwise Unclassified Properties

Base Metal Price, % relative 100
9.5
Density, g/cm3 8.1
2.6
Embodied Carbon, kg CO2/kg material 6.2
7.6
Embodied Energy, MJ/kg 84
140
Embodied Water, L/kg 440
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
7.1
Resilience: Unit (Modulus of Resilience), kJ/m3 160
120
Stiffness to Weight: Axial, points 15
16
Stiffness to Weight: Bending, points 24
54
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
33
Thermal Diffusivity, mm2/s 2.2
52
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 0
82.9 to 89
Carbon (C), % 0.050 to 0.25
0
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 48 to 52
0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 9.7 to 24.5
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.5
0 to 0.35
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 4.0
0 to 0.5
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.5 to 1.5
11 to 13
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25